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Commit bdd7714b authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kbuild: build all prerequisites of headers_install simultaneously 



Currently, scripts/unifdef is compiled after scripts_basic,
uapi-asm-generic, archheaders, and archscripts.

The proper dependency is just scripts_basic. There is no problem
to compile scripts/unifdef and other headers at the same time.

Split scripts_unifdef out in order to allow more parallel building.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
parent 2b8481be

Makefile

+5 −2
Original line number Diff line number Diff line
@@ -1181,8 +1181,7 @@ export INSTALL_HDR_PATH = $(objtree)/usr 
PHONY += archheaders archscripts



PHONY += __headers

__headers: $(version_h) scripts_basic uapi-asm-generic archheaders archscripts

	$(Q)$(MAKE) $(build)=scripts scripts/unifdef

__headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts



PHONY += headers_install

headers_install: __headers
@@ -1204,6 +1203,10 @@ ifdef CONFIG_HEADERS_CHECK 
all: headers_check

endif



PHONY += scripts_unifdef

scripts_unifdef: scripts_basic

	$(Q)$(MAKE) $(build)=scripts scripts/unifdef



# ---------------------------------------------------------------------------

# Kernel selftest